1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2015 The Qt Company Ltd. 4 ** Contact: http://www.qt.io/licensing/ 5 ** 6 ** This file is part of the QtGui module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see http://www.qt.io/terms-conditions. For further 15 ** information use the contact form at http://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 2.1 or version 3 as published by the Free 20 ** Software Foundation and appearing in the file LICENSE.LGPLv21 and 21 ** LICENSE.LGPLv3 included in the packaging of this file. Please review the 22 ** following information to ensure the GNU Lesser General Public License 23 ** requirements will be met: https://www.gnu.org/licenses/lgpl.html and 24 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 25 ** 26 ** As a special exception, The Qt Company gives you certain additional 27 ** rights. These rights are described in The Qt Company LGPL Exception 28 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. 29 ** 30 ** GNU General Public License Usage 31 ** Alternatively, this file may be used under the terms of the GNU 32 ** General Public License version 3.0 as published by the Free Software 33 ** Foundation and appearing in the file LICENSE.GPL included in the 34 ** packaging of this file. Please review the following information to 35 ** ensure the GNU General Public License version 3.0 requirements will be 36 ** met: http://www.gnu.org/copyleft/gpl.html. 37 ** 38 ** $QT_END_LICENSE$ 39 ** 40 ****************************************************************************/ 41 42 #ifndef QGRAPHICSPROXYWIDGET_P_H 43 #define QGRAPHICSPROXYWIDGET_P_H 44 45 // 46 // W A R N I N G 47 // ------------- 48 // 49 // This file is not part of the Qt API. It exists for the convenience 50 // of other Qt classes. This header file may change from version to 51 // version without notice, or even be removed. 52 // 53 // We mean it. 54 // 55 56 #include "qgraphicsproxywidget.h" 57 #include "private/qgraphicswidget_p.h" 58 59 #if !defined(QT_NO_GRAPHICSVIEW) || (QT_EDITION & QT_MODULE_GRAPHICSVIEW) != QT_MODULE_GRAPHICSVIEW 60 61 QT_BEGIN_NAMESPACE 62 63 class QGraphicsProxyWidgetPrivate : public QGraphicsWidgetPrivate 64 { Q_DECLARE_PUBLIC(QGraphicsProxyWidget)65 Q_DECLARE_PUBLIC(QGraphicsProxyWidget) 66 public: 67 QGraphicsProxyWidgetPrivate() 68 : dragDropWidget(0), 69 posChangeMode(NoMode), 70 sizeChangeMode(NoMode), 71 visibleChangeMode(NoMode), 72 enabledChangeMode(NoMode), 73 styleChangeMode(NoMode), 74 paletteChangeMode(NoMode), 75 tooltipChangeMode(NoMode), 76 focusFromWidgetToProxy(0) 77 { } 78 void init(); 79 void sendWidgetMouseEvent(QGraphicsSceneMouseEvent *event); 80 void sendWidgetMouseEvent(QGraphicsSceneHoverEvent *event); 81 void sendWidgetKeyEvent(QKeyEvent *event); 82 void setWidget_helper(QWidget *widget, bool autoShow); 83 84 QWidget *findFocusChild(QWidget *child, bool next) const; 85 void removeSubFocusHelper(QWidget *widget, Qt::FocusReason reason); 86 87 // ### Qt 5: Remove. Workaround for reimplementation added after Qt 4.4. 88 QVariant inputMethodQueryHelper(Qt::InputMethodQuery query) const; 89 90 void _q_removeWidgetSlot(); 91 92 void embedSubWindow(QWidget *); 93 void unembedSubWindow(QWidget *); 94 95 bool isProxyWidget() const; 96 97 QPointer<QWidget> widget; 98 QPointer<QWidget> lastWidgetUnderMouse; 99 QPointer<QWidget> embeddedMouseGrabber; 100 QWidget *dragDropWidget; 101 Qt::DropAction lastDropAction; 102 103 void updateWidgetGeometryFromProxy(); 104 void updateProxyGeometryFromWidget(); 105 106 void updateProxyInputMethodAcceptanceFromWidget(); 107 108 QPointF mapToReceiver(const QPointF &pos, const QWidget *receiver) const; 109 110 enum ChangeMode { 111 NoMode, 112 ProxyToWidgetMode, 113 WidgetToProxyMode 114 }; 115 quint32 posChangeMode : 2; 116 quint32 sizeChangeMode : 2; 117 quint32 visibleChangeMode : 2; 118 quint32 enabledChangeMode : 2; 119 quint32 styleChangeMode : 2; 120 quint32 paletteChangeMode : 2; 121 quint32 tooltipChangeMode : 2; 122 quint32 focusFromWidgetToProxy : 1; 123 quint32 proxyIsGivingFocus : 1; 124 }; 125 126 QT_END_NAMESPACE 127 128 #endif 129 130 #endif 131